<!DOCTYPE html>
<html>
<head>
</head>
<body id="tinymce" class="mce-content-body ">
<video id="myVideo" controls>
    <source src="https://yolljk-health-shanghai.oss-cn-shanghai.aliyuncs.com/test.mp4" type="video/mp4">
    Your browser does not support the video tag.
</video>
<button onclick="playPause()">Play/Pause</button>
</body>
</html>
